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Technical Data Sheet
PartsTable / MRO / 252-20
252-20 ✓ Verified by PartsTable
Clementoni · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The CAPACITOR,FIXED,ELECTROLYTIC is a Clementoni cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include width: 1.812 INCHES NOMINAL IN, length: 3.562 INCHES NOMINAL IN, material: STEEL OVERALL, anode_type: SOLID, body_style: W/O MTG FACILITIES, TERMINAL(S) ON ONE END, head_angle: 15.0 DEGREES NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-204-2017, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 252-20
NSN: 4810-00-204-2017
FSC: 4810
CAGE: 09445 — DUKES AEROSPACE, INC. (USA)
SPECIFICATIONS
width1.812 INCHES NOMINAL IN
length3.562 INCHES NOMINAL IN
materialSTEEL OVERALL
anode_typeSOLID
body_styleW/O MTG FACILITIES, TERMINAL(S) ON ONE END
head_angle15.0 DEGREES NOMINAL
lens_colorAMBER
point_typeCONVENTIONAL
body_length0.500 INCHES MAXIMUM IN
point_angle118.0 DEGREES NOMINAL
shank_styleSTANDARD TAPER W/TANG
flute_length10.000 INCHES NOMINAL IN
NSN4810-00-204-2017
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 252-20 · Clementoni ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,1.625 IN. LG,5/44 NF 2B THREADS ONE END,4/48 NF 2B THREADS OPPOSITE END,USED ON P/N 403-00-5 VALVE IN
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,1.625 IN. LG,5/44 NF 2B THREADS ONE END,4/48 NF 2B THREADS OPPOSITE END,USED ON P/N 403-00-5 VALVE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
4500-4100Interchangeable
interchangeable cross-reference
interchangeable
196D106X9010BE4Interchangeable
interchangeable cross-reference
interchangeable
110 1-5/8Interchangeable
interchangeable cross-reference
interchangeable
2410 1-5/8Interchangeable
interchangeable cross-reference
interchangeable
200 1-5/8Interchangeable
interchangeable cross-reference
interchangeable
558627Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 252-20?
252-20 is a CAPACITOR,FIXED,ELECTROLYTIC manufactured by Clementoni. It is classified as a MRO (MRO_GENERAL).
What parts can replace 252-20?
There are 12 known substitutes for 252-20: 4500-4100, 196D106X9010BE4, 110 1-5/8 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 252-20?
252-20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-204-2017. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026